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Merge linux-st28.site:/home/martin/mysql/src/bug32848/my50-bug32848-gca

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into  linux-st28.site:/home/martin/mysql/src/bug32848/my51-bug32848-gca


mysql-test/r/union.result:
  Auto merged
mysql-test/t/union.test:
  Auto merged
sql/field.h:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/field.cc:
  Bug#32848: Manual merge
sql/item.cc:
  Bug#32848: Manual merge
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2007-12-20 14:19:52 +01:00
parent 666efa1c43 a8d1b13f3e
commit fbb25b7cec
8 changed files with 139 additions and 1 deletions
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24
mysql-test/r/union.result
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@ -1445,4 +1445,28 @@ select @var;
1
(select 2) union (select 1 into @var);
ERROR 42000: Result consisted of more than one row
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1), (2), (3);
CREATE TABLE t2 SELECT * FROM (SELECT NULL) a UNION SELECT a FROM t1;
DESC t2;
Field Type Null Key Default Extra
NULL int(11) YES NULL
CREATE TABLE t3 SELECT a FROM t1 UNION SELECT * FROM (SELECT NULL) a;
DESC t3;
Field Type Null Key Default Extra
a int(11) YES NULL
CREATE TABLE t4 SELECT NULL;
DESC t4;
Field Type Null Key Default Extra
NULL binary(0) YES NULL
CREATE TABLE t5 SELECT NULL UNION SELECT NULL;
DESC t5;
Field Type Null Key Default Extra
NULL binary(0) YES NULL
CREATE TABLE t6
SELECT * FROM (SELECT * FROM (SELECT NULL)a) b UNION SELECT a FROM t1;
DESC t6;
Field Type Null Key Default Extra
NULL int(11) YES NULL
DROP TABLE t1, t2, t3, t4, t5, t6;
End of 5.0 tests